SIMPLE = T / file does conform to FITS standard BITPIX = 8 / number of bits per data pixel NAXIS = 0 / number of data axes EXTEND = T / FITS dataset may contain extensions COMMENT FITS (Flexible Image Transport System) format is defined in 'AstronomyCOMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H TELESCOP= 'SWIFT ' / Telescope (mission) name INSTRUME= 'XRT ' / Instrument name OBS_ID = '00682522000' / Observation ID TARG_ID = '682522 ' / Target ID SEG_NUM = '0 ' / Segment number TIMESYS = 'TT ' / Time system MJDREFI = 51910. / Reference MJD Integer part MJDREFF = 0.00074287037 / Reference MJD fractional TIMEUNIT= 's ' / Time unit for the time header keywords TIERRELA= 1.0E-08 / [s/s] Estimated relative clock rate error TIERABSO= 1. / [s] Estimated absolute clock offset error TSTART = 482127935.00878 / Start time DATE-OBS= '2016-04-12T04:25:35.0' / Start Date TSTOP = 482128040.61876 / Stop time DATE-END= '2016-04-12T04:27:20.6' / Stop Date CLOCKAPP= F / If clock correction are applied (F/T) ORIGIN = 'GSFC ' / Source of FITS file CREATOR = 'TDRSS2FITS V3.21' / Program that created this FITS file TLM2FITS= 'V3.21 ' / Telemetry converter version number DATE = '2016-04-12T04:27:11' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -16.11324 / UTCF at TSTART CHECKSUM= 'gHkShFhRgFhRgFhR' / HDU checksum updated 2016-04-12T04:27:11 DATASUM = ' 0' / data unit checksum updated 2016-04-12T04:27:11 END XTENSION= 'BINTABLE' / binary table extension BITPIX = 8 / 8-bit bytes NAXIS = 2 / 2-dimensional binary table NAXIS1 = 18 / width of table in bytes NAXIS2 = 100 / number of rows in table PCOUNT = 0 / size of special data area GCOUNT = 1 / one data group (required keyword) TFIELDS = 3 / number of fields in each row TTYPE1 = 'TIME ' / label for field 1 TFORM1 = '1D ' / data format of field: 8-byte DOUBLE TUNIT1 = 's ' / physical unit of field TTYPE2 = 'RATE ' / label for field 2 TFORM2 = '1D ' / data format of field: 8-byte DOUBLE TUNIT2 = 'count/s ' / physical unit of field TTYPE3 = 'XRTMODE ' / label for field 3 TFORM3 = '1I ' / data format of field: 2-byte INTEGER EXTNAME = 'RATE ' / name of this binary table extension MESGNAME= 'XRT_LIGHTCURVE' / Name of the message COMMENT XRTMODE values COMMENT 1=null 2=Short Image 3=Long Image 4=Pile-Up Photodiode COMMENT 5=Low Rate Photodiode 6=Windowed Timing 7= Photon-Counting COMMENT 8=RAW data 9=Bias map 10=Stop TELESCOP= 'SWIFT ' / Telescope (mission) name INSTRUME= 'XRT ' / Instrument name OBS_ID = '00682522000' / Observation ID TARG_ID = '682522 ' / Target ID SEG_NUM = '0 ' / Segment number CREATOR = 'TDRSS2FITS V3.21' / Program that created this FITS file ORIGIN = 'GSFC ' / Source of FITS file TLM2FITS= 'V3.21 ' / Telemetry converter version number EQUINOX = 2000 / Equinox RADECSYS= 'FK5 ' / Coordinates system TIMESYS = 'TT ' / Time system MJDREFI = 51910. / Reference MJD Integer part MJDREFF = 0.00074287037 / Reference MJD fractional TIMEUNIT= 's ' / Time unit for the time header keywords TIERRELA= 1.0E-08 / [s/s] Estimated relative clock rate error TIERABSO= 1. / [s] Estimated absolute clock offset error CLOCKAPP= F / If clock correction are applied (F/T) TIMEREF = 'LOCAL ' / Time reference (barycenter/local) TASSIGN = 'SATELLITE' / Time assigned by clock DATE = '2016-04-12T04:27:11' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 482127935.00878 / Start time DATE-OBS= '2016-04-12T04:25:35.0' / Start Date TSTOP = 482128040.61876 / Stop time DATE-END= '2016-04-12T04:27:20.6' / Stop Date UTCFINIT= -16.11324 / UTCF at TSTART TIMEPIXR= 0. / Bin time beginning=0.0 middle=0.5 end=1. HDUCLASS= 'OGIP ' / Format conforms to OGIP standards HDUCLAS1= 'LIGHTCURVE' / Time ordered data HDUCLAS2= 'TOTAL ' / Source + background HDUCLAS3= 'RATE ' / Data provided as rate NUMBINS = 100 / Number of valid bins in the lightcurve TRIGGER = 682522 / Trigger Number XRA_OBJ = 33.0934028625488 / [deg] XRT RA location GRB or Object XDEC_OBJ= -67.6440277099609 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.609979987144 / TSTOP - TSTART ONTIME = 107.359703063965 / Time on target LIVETIME= 107.359703063965 / Ontime multiplied by DEADC EXPOSURE= 107.359703063965 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -16.11324 / [s] UTC Correction TIME UTCCSEC = -17 / UTC Correction Seconds UTCCSUBS= 44338 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 482128040.64484 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 482128040 / ccsds PacKeT SEConds PKTSUBS = 32242 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '5nN8AkL68kL6AkL6' / HDU checksum updated 2016-04-12T04:27:11 DATASUM = '2743183558' / data unit checksum updated 2016-04-12T04:27:11 END A??hA?oA@@uAAUG@pAB$@kyAC5@o@ADG'@jУAEXmr@p띠AFi@jXAGz@hyAH?>@kmAI@hAJ@d}AK @mF% ALWi@gJAM@b&^AN@`FAP)5@c.AQo@a|AR'@b4AS8@`ATJA_@f]AU[@ajAVl@^q AW~+@] AXY@[fAY@W8AZ@R4A[+V@_١@A\q@] A]@T_A^"@WkPA`C@SAa@RLAb*@PܠAc<M@X,AdM[@Nq Ae^@RLAfo@QpAg-w@UǤAhr@H[ Ai@PdAjC@LI AkE@Oa@Al׌@IJAm@> Ann@W/\Ap \}@TAq@EAr-:@D#As?/@::AtPu@5Aua@H[ Avse@FhAwFt@O١@Ax@> Ay1@6{Az@ApA{_@4A|ڤ@@dA}[@0ܠA~0j@0ܠAv@YA'@DA1@7kPABI@3AS@T#AdR@IAva@,aA`@= A@?١@A|@5A3@,aAz:@- AݿH@ ܠAW@*:AJ@([ A@5A"s@:A4@Oa@AEd0@ ܠAV?@= 1 AgN@Oa@Ay4@- A{ @{Aj@$A@1pAN'@"@Aϔ@"@AE@3A@N Ae@$A`@"@A%@[*A78@:AH},@VAY;@"@Ak@ ܠA|N@  AW@@